20067042 has 8 divisors (see below), whose sum is σ = 40134096. Its totient is φ = 6689012.

The previous prime is 20067037. The next prime is 20067049. The reversal of 20067042 is 24076002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20067042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20067049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1672248 + ... + 1672259.

It is an arithmetic number, because the mean of its divisors is an integer number (5016762).

Almost surely, 2^20067042 is an apocalyptic number.

20067042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20067042 is a wasteful number, since it uses less digits than its factorization.

20067042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344512.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 20067042 is about 4479.6252075369. The cubic root of 20067042 is about 271.7447233683.

The spelling of 20067042 in words is "twenty million, sixty-seven thousand, forty-two".